The N+1 query problem arises when one initial query (1) is followed by N additional queries—one for each result row from the first query. While this might not be an issue for small datasets, it can ...
Introduction
When working with relational databases in Java, JPA (Java Persistence API) makes it easier to map relationships between entities. One of the most fundamental relationships is One...
Introduction
When building relational databases in Java, understanding how to map relationships between entities is crucial. One of the most common relationships is One-to-Many mapping. In th...
Introduction
When designing a relational database in Java, one of the most essential relationships you’ll come across is Many-to-One mapping. It allows multiple entities to be linked to a s...
Introdução
Após configurar o login com Google na Parte 1, o próximo passo natural é persistir os dados dos usuários em um banco de dados para uso posterior, como personalização ou ras...
As anotações do JPA (Java Persistence API) existem a milênios! Com a evolução dos frameworks, principalmente do Spring, e do próprio Java muitos recursos evoluíram junto.Por exemplo, em antigas...